Zim’s Maximum Heat—heat-based pain relief products with capsaicin for arthritis, stiffness, backache, strains and sprains—can now be purchased at 4,700 Rite Aid locations across the country. The national drugstore chain picked up Zim’s Maximum Heat to enhance its over-the-counter pain relief product inventory nationwide, according ot the company. Perfecta Products Inc. unveiled Zim’s Maximum Heat earlier this year. The product provides temporary relief for aches and pains s...